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86420118 = 2321116823
BaseRepresentation
bin1010010011010…
…10101010010110
320000121121010010
411021222222112
5134110420433
612324141050
72066362461
oct511525226
9200547103
1086420118
1144866794
1224b37786
1314b9a685
14b6982d8
1578c0e63
hex526aa96

86420118 has 16 divisors (see below), whose sum is σ = 172947456. Its totient is φ = 28788840.

The previous prime is 86420111. The next prime is 86420119. The reversal of 86420118 is 81102468.

It is a super-3 number, since 3×864201183 (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86420111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9255 + ... + 16077.

It is an arithmetic number, because the mean of its divisors is an integer number (10809216).

Almost surely, 286420118 is an apocalyptic number.

86420118 is an abundant number, since it is smaller than the sum of its proper divisors (86527338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86420118 is a wasteful number, since it uses less digits than its factorization.

86420118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8939.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 86420118 is about 9296.2421440064. The cubic root of 86420118 is about 442.1180898340.

The spelling of 86420118 in words is "eighty-six million, four hundred twenty thousand, one hundred eighteen".

Divisors: 1 2 3 6 2111 4222 6333 6823 12666 13646 20469 40938 14403353 28806706 43210059 86420118